Home / 82,262.12-113,511.28-48,258.20

Finding the Fourth Proportional to 82,262.12, 113,511.28 and 48,258.20

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Solution

The fourth proportional to 82,262.12, 113,511.28 and 48,258.20 is: 66,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,262.12 : 113,511.28 = 48,258.20 : x
  2. Step 2: Convert to fraction form
    82,262.12/113,511.28 = 48,258.20/x
  3. Step 3: Cross multiply
    82,262.12x = 113,511.28 × 48,258.20
  4. Step 4: Simplify right side
    82,262.12x = 5,477,849,484.94
  5. Step 5: Solve for x
    x = 5,477,849,484.94/82,262.12
  6. Step 6: Final answer
    x = 66,590.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.